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Re: I tried disassemble the heat sink area for ASUS and...
Hi, you will need to double check the position of the heat sink, also you must ensure there is sufficient gel between heat sink and cpu, this is quite cheep to purchase. Hope this helps
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You do need much. Just cover the heat sink with a thin layer of thermal paste, the excess paste will squeeze out when you clip the heat sink over the CPU so do not put too much paste on.
Do NOT run the motor if it is not spinning. Motor will over heat and begin to fail.
Now. Put your shop vac hose down into disposal if your suspect broken glass or other hard to remove stuff. Then get a wood broomstick and put down into disposal and wedge the broomstick against sink opening and see if you can get the cutter blade to rotate. You can also disassemble drain pipes to remove stuff from under the cutter wheel. NEVER stick you hand or fingers into the disposal cutting area, please.
Thanks for asking FixYa for help. My name is Jeff and I will be assisting you today. The bad news is it sounds like the motherboard is fried. The good news is it looks like you can buy one for $10.
You can fiddle with the memory to make sure it's tight, but if the har drive is working the motherboard is on its last legs.
If you are in need of additional help, please let us know.
At this time you need to check first the CPU fan if it is spinning to prevent overheating. Some cause of this problem is the RAM check also the RAM or you may remove it and try to turn on if it will provide sound. But specifically this is a CPU problem you need to disassemble the CPU. If the CPU fan is not spinning and faulty already you need to replace it. When you reassemble the unit you need to put a thermal paste between the CPU and the heat sink so that the heat from CPU will absorbed by the heat sink.
I used your site to look up a problem awhile back and was helped by a guy who went by, Les Price ([email protected]).
I purchased a Sharp LC-26D4U LCD television and after about 16 month, the sound went on the TV. I could not get anything but popping noises out of the speakers. I hooked the TV up to a stereo and the sound worked only while using the stereo speaker from the stereo, still nothing from the TV speakers. I searched this problem on your web site and saw a posting in which this Les Price ([email protected]) posted a fix. He stated this unit had a chronic problem with the insulator material used on the heat sink on the ic’s on the AV bd. He stated the unit had to be disassembled and the av bd removed. He stated the insulation on the ic 2502 breaks down and must be cleaned off and that a new insulator, part # PSPAZA663WJKZ must be ordered and used as the insulator pad. He stated there was a Sharp Technical bulletin LCDTV-194, which explained the problem and suggested this fix. I Goggled the suggested part #, PSPAZA663WJKZ finding and ordering the part from www.electronics-storefront.com. I got a copy of the service bulletin, which had pictures and instructions on the repair. On 25-Jan-09, I disassembled the TV, removing the back, a metal mount under the plastic back, and three circuit boards, locating the heat sink on the back of the AV board. I left the black sticky residue on the heat sink as the service bulletin suggested and installed the new insulator pad as shown on the service bulletin. I put the TV back together and found the TV volume to work again. I could not believe it worked. Taking the TV apart made me a little nervous. I am not a repairman, however I do like to, “Tinker” with stuff. There were a lot of screws and wires to keep track of and a little tricky to put back together. If I had to do it again, I would either video tape the disassembly to make sure I replaced everything back the way it was, or at least take a few photos while disassembling. I just wanted to say thanks for your web site and thanks to Les Price for his help. You both saved me some cash. I have the same problem with the TV occasionally turning itself on but it only happens once in awhile. Still have not found out why this happens.
I used your site to look up a problem awhile back and was helped by a guy who went by, Les Price ([email protected]). I purchased a Sharp LC-26D4U LCD television and after about 16 month, the sound went on the TV. I could not get anything but popping noises out of the speakers. I hooked the TV up to a stereo and the sound worked only while using the stereo speaker from the stereo, still nothing from the TV speakers. I searched this problem on your web site and saw a posting in which this Les Price ([email protected]) posted a fix. He stated this unit had a chronic problem with the insulator material used on the heat sink on the ic’s on the AV bd. He stated the unit had to be disassembled and the av bd removed. He stated the insulation on the ic 2502 breaks down and must be cleaned off and that a new insulator, part # PSPAZA663WJKZ must be ordered and used as the insulator pad. He stated there was a Sharp Technical bulletin LCDTV-194, which explained the problem and suggested this fix. I Goggled the suggested part #, PSPAZA663WJKZ finding and ordering the part from www.electronics-storefront.com. I got a copy of the service bulletin, which had pictures and instructions on the repair. On 25-Jan-09, I disassembled the TV, removing the back, a metal mount under the plastic back, and three circuit boards, locating the heat sink on the back of the AV board. I left the black sticky residue on the heat sink as the service bulletin suggested and installed the new insulator pad as shown on the service bulletin. I put the TV back together and found the TV volume to work again. I could not believe it worked. Taking the TV apart made me a little nervous. I am not a repairman, however I do like to, “Tinker” with stuff. There were a lot of screws and wires to keep track of and a little tricky to put back together. If I had to do it again, I would either video tape the disassembly to make sure I replaced everything back the way it was, or at least take a few photos while disassembling. I just wanted to say thanks for your web site and thanks to Les Price for his help. You both saved me some cash.
That is the 'Northbridge' chip that provides the I/O interfacing for the main chip. The heat sink is normally held on with glue as you surmised, and should be re-done with a thermal conductive glue. The glue (a silver filled epoxy) is available from MCM electronics or from Mouser. Be sure to thoroughly clean the chip and heat sink before re-gluing.
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